426331320 has 64 divisors (see below), whose sum is σ = 1323108000. Its totient is φ = 109767168.

The previous prime is 426331319. The next prime is 426331331. The reversal of 426331320 is 23133624.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57775 + ... + 64734.

Almost surely, 2^426331320 is an apocalyptic number.

426331320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

426331320 is an abundant number, since it is smaller than the sum of its proper divisors (896776680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

426331320 is a wasteful number, since it uses less digits than its factorization.

426331320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122552 (or 122548 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 426331320 is about 20647.7921337852. The cubic root of 426331320 is about 752.6315380995.

Adding to 426331320 its reverse (23133624), we get a palindrome (449464944).

The spelling of 426331320 in words is "four hundred twenty-six million, three hundred thirty-one thousand, three hundred twenty".